My domain has expired

Renew it first and work out what happened afterwards. Every stage after an expiry is harder and costs more than the one before it, and the difference between acting on day two and acting on day thirty is often the difference between a renewal fee and losing the name.

The other thing to know immediately: your email stopped at the same moment. Mail sent to addresses at that domain during the outage may never arrive, and senders may or may not have received a bounce. That is usually the more expensive half of the incident and it is the half nobody thinks about while trying to get the website back.

What happens to an expired domain: what a .au domain name lapsing means

A .au domain is licensed for a term under rules published by auDA, not owned. When the term ends the name does not vanish instantly. It moves through stages, and the stages matter because your options narrow at each one.

Stage	What is true	What it costs
Just expired	Site and email stop; name still held	Ordinary renewal
Grace period	Still generally recoverable by the holder	Renewal, sometimes with a fee
Later stage	Recovery is harder and handled case by case	Higher, registrar dependent
Released	Available to any eligible registrant	You may not be able to get it back

The exact windows are set out in auDA’s published rules and are implemented slightly differently by each registrar, so confirm yours rather than relying on a general description including this one. What is consistent is the direction: act in days, not weeks.

The first four things to do with your registrar and a WHOIS lookup

1. Log into the registrar and renew. If you can pay, pay, and argue about the cause later. This is one of the few situations where paying immediately is unambiguously correct.

2. If you cannot log in, phone the registrar. Recovery of a lapsed name is a common request with an established process. They will ask for evidence of entitlement — the entity name, the business registration, billing history, an invoice.

3. If you do not know who the registrar is, look the name up. auDA operates a public .au WHOIS lookup whose stated purposes include identifying the holder of a domain name licence. It will tell you the registrar and the registrant, which are the two facts you need.

4. Check the registrant field while you are there. If the registrant is not your business, this incident is a symptom of a larger problem and renewal will not fix it. That situation is on recovering control of a website.

Why it lapsed

Almost always one of four, and identifying which is what prevents the repeat.

The card expired. Automatic renewal on a payment method that is no longer valid, with the failure notice going somewhere nobody reads.

The notices went to the wrong inbox. Registrant contact set to a former staff member, a supplier’s address, or an address at the very domain that expired — which means the warning emails could not be delivered once it lapsed.

A supplier stopped paying it. Where the domain was registered by a web designer and renewed on their account, the renewal stops when the relationship does.

Nobody knew it was their job. The commonest of all in a small business, and the only one with no technical component.

The email consequence, in more detail

The website being down is visible. The email being down is not, and it is usually worse.

While the name does not resolve, mail sent to your addresses has nowhere to go. Some senders will receive a bounce; some systems retry for a period and then give up; some will simply record a failure the sender never sees. When the domain comes back, mail sent during the gap does not queue up and arrive.

So once the name is restored there is a second task: tell your regular contacts, suppliers and any platforms that send you notifications that mail sent over that period may not have reached you. Where that includes quotes, orders or anything with a deadline attached, that is a commercial follow-up rather than a technical one.

What to do once the domain registration is back

Set the renewal to a multi-year term if the registrar offers it, and to a payment method that does not expire.

Change the registrant contact email to an address the business monitors and that is not at the domain in question, so the warning can be delivered even when the name is not resolving.

Check the registrant field is your legal entity, matching the ACN or business registration you trade under. That field is the one that decides who controls the name, and it is set out on Australian domain eligibility.

Put the expiry date somewhere a person sees it — a calendar reminder ninety days out, held by the business rather than by a supplier.

If the domain names have been released and taken by someone else

For a .au name the incoming registrant must independently meet the eligibility criteria, so a lapsed name is not open to anybody. That reduces the risk but does not remove it, and where an eligible party has registered it there is no automatic route back.

At that point the practical position is a new address and a redirect strategy you no longer control. Everything printed with the old address is now wrong, which is the real cost and the reason this page recommends renewing before diagnosing.

What to do next: renew, check your registrant, and monitor other domains

Look up your own domain today and read three fields: registrant, registrar and expiry date. If any of the three surprises you, deal with it this week rather than at renewal. Keeping those dates monitored is one of the standing items in an ongoing arrangement, on website maintenance cost.